For months, all the Duchess of Cambridge and Prince William have been talking about is the Queen’s Diamond Jubilee.

Even their plans for a baby were put on hold as they focused on his gran’s big day.

But with the bunting coming down tomorrow, Kate Middleton will be carefully packing away her Jubilee party outfits and she and Wills will finally allow themselves to look to their own future as a couple.

But the 30-year-old Duchess has been hiding something from her new husband – something involving private meetings and secret-squirrel conversations with his friends.

Yes, Now can reveal that Kate’s been busy… planning a surprise 30th birthday bash for Wills’ milestone day on 21 June.

And in true Kate style, she’s shrugging off all the pomp and ceremony to make it a truly personal celebration filled with romance.

A Royal insider tells Now: ‘Kate really wants to make Wills’ birthday one to remember and she’s pulling out all the stops.’

Read the full story about Kate Middleton and Prince William in Now magazine dated 11 June 2012 – out now!